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SELECT 
  cscart_ult_product_prices.product_id, 
  MIN(
    IF(
      cscart_ult_product_prices.percentage_discount = 0, 
      cscart_ult_product_prices.price, 
      cscart_ult_product_prices.price - (
        cscart_ult_product_prices.price * cscart_ult_product_prices.percentage_discount
      )/ 100
    )
  ) AS price 
FROM 
  cscart_ult_product_prices 
WHERE 
  cscart_ult_product_prices.product_id IN (
    1475, 1476, 1477, 5182, 5183, 5184, 5185, 
    5186, 5187, 1461, 1462, 1463, 1464, 
    1465, 5170, 5171, 5172, 5173, 5174, 
    5175, 1878, 1879, 1880, 1881, 1882, 
    1883, 1884, 1885, 1886, 1887, 1888, 
    1889, 1890, 1891, 1892, 1893, 1894, 
    1895, 1896, 1897, 1898, 1899, 1900, 
    1901, 1902, 1903, 1904, 1905, 1906, 
    1907, 1908, 1909, 1910, 1911, 1912, 
    1913, 1914, 1915, 1916, 1917, 1918, 
    1919, 1920, 1921, 1922, 1923, 1924, 
    1925, 1926, 1927, 1928, 1929, 1930, 
    1931, 5560, 5561, 5562, 5563, 5564, 
    5565, 5566, 5567, 5568, 5569, 5570, 
    5571, 5572, 5573, 5574, 5575, 5576, 
    5577, 5578, 5579, 5580, 5581
  ) 
  AND cscart_ult_product_prices.lower_limit = 1 
  AND cscart_ult_product_prices.company_id = 1 
  AND cscart_ult_product_prices.usergroup_id IN (0, 0, 1) 
GROUP BY 
  cscart_ult_product_prices.product_id

Query time 0.00031

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}